/ frəˈnetɪk; NAmE / adjective
involving a lot of energy and activity in a way that is not organized :
a scene of frenetic activity
► fre·net·ic·al·ly / -kli; NAmE / adverb
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WORD ORIGIN
late Middle English (in the sense insane ): from Old French frenetique , via Latin from Greek phrenitikos , from phrenitis delirium, from phrēn mind. Compare with frantic .